JPH02301551A - Production of colored titanium material - Google Patents
Production of colored titanium materialInfo
- Publication number
- JPH02301551A JPH02301551A JP12328589A JP12328589A JPH02301551A JP H02301551 A JPH02301551 A JP H02301551A JP 12328589 A JP12328589 A JP 12328589A JP 12328589 A JP12328589 A JP 12328589A JP H02301551 A JPH02301551 A JP H02301551A
- Authority
- JP
- Japan
- Prior art keywords
- titanium
- alloy
- oxide film
- titanium material
- fine particles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims description 21
- 239000010936 titanium Substances 0.000 title claims description 21
- 229910052719 titanium Inorganic materials 0.000 title claims description 21
- 239000000463 material Substances 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000005422 blasting Methods 0.000 claims abstract description 5
- 230000003746 surface roughness Effects 0.000 claims abstract description 5
- 239000010419 fine particle Substances 0.000 claims description 9
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 238000004040 coloring Methods 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 abstract 4
- 229910045601 alloy Inorganic materials 0.000 abstract 4
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 235000019646 color tone Nutrition 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 238000005238 degreasing Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
Landscapes
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は１着色チタン材の製造方法の改良に関するもの
であり、詳しくは、加熱処理方法による着色チタン材の
製造方法の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an improvement in a method for manufacturing a colored titanium material, and more specifically, to an improvement in a method for manufacturing a colored titanium material using a heat treatment method. .
（従来の技術）
着色チタン材の製造方法として、大気酸化法があり、こ
のものは、特開昭６２−８６１９７号公報に示されてい
る様にチタン材を大気中で加熱酸化し、表面に酸化被膜
を生成せしめてこの酸化被膜の膜厚によって多種類の色
調を得る技術である。(Prior art) As a method for producing colored titanium materials, there is an atmospheric oxidation method, which heats and oxidizes titanium materials in the air as shown in Japanese Patent Application Laid-Open No. 62-86197, and then oxidizes the titanium material on the surface. This is a technique that generates an oxide film and obtains various color tones depending on the thickness of the oxide film.
（発明が解決しようとする課題）
大気酸化法では、酸化被膜の厚さは加熱温度および加熱
時間に依存し酸化被膜の膜厚が厚くなるにつれて、淡黄
色、黄金色、茶色、赤紫色、虹状色などの色調を順次呈
する。従来の大気酸化法は加熱炉の温度管理がむつかし
く、加熱炉の温度分布に起因する着色斑が発生しやすい
という問題点があった。本発明者は種々実験した結果、
チタン材にブラスト加工を施した後、大気酸化処理を行
なうと、従来の大気酸化処理よりも低温かつ短時間に均
一な着色が可能なことを見出し、本発明に至ったもので
ある。(Problem to be Solved by the Invention) In the atmospheric oxidation method, the thickness of the oxide film depends on the heating temperature and heating time. Sequentially exhibits different color tones. Conventional atmospheric oxidation methods have problems in that temperature control of the heating furnace is difficult and discoloration spots are likely to occur due to temperature distribution in the heating furnace. As a result of various experiments, the present inventor found that
The inventors discovered that if a titanium material is blasted and then subjected to atmospheric oxidation treatment, uniform coloring can be achieved at a lower temperature and in a shorter time than conventional atmospheric oxidation treatment, leading to the present invention.
（課題を解決するための手段）
本発明は、細粒の吹き付けによりチタン又はチタン合金
の表面粗さを５〜３０μｍｚにした後、該チタン又はチ
タン合金を４００〜６５０℃に５〜９０分加熱して酸化
被膜を生成せしめる着色チタン材の製造方法である。(Means for Solving the Problems) The present invention provides a method in which the surface roughness of titanium or titanium alloy is made 5 to 30 μmz by spraying fine particles, and then the titanium or titanium alloy is heated to 400 to 650°C for 5 to 90 minutes. This is a method for producing colored titanium material by forming an oxide film.
細粒の吹き付けはショツトブラスト等のブラスト加工に
よって行なわれ、細粒として小球、破砕粒、微粒子等が
用いられる。The spraying of fine particles is carried out by blasting such as shot blasting, and small spheres, crushed particles, fine particles, etc. are used as the fine particles.
（作用）
チタン又はチタン合金の表面粗さが５〜３０μｍｚであ
れば、単一色の色調を呈し、細粒の吹き付けにより酸化
被膜が生成されると共に１表面エネルギーが増大するた
め酸化被膜の成長が促進され、低温かつ短時間で従来法
と同程度の膜厚が形成される。(Function) If the surface roughness of titanium or titanium alloy is 5 to 30 μmz, it will exhibit a single color tone, and the spraying of fine particles will generate an oxide film and increase the surface energy, which will inhibit the growth of the oxide film. As a result, a film thickness comparable to that of conventional methods can be formed at low temperatures and in a short time.
（実施例） 以下、本発明の実験例について説明する。(Example) Experimental examples of the present invention will be described below.
純チタン冷延板に球状のガラスピーズ（粒径１４９〜２
５０ｐｍ）又はアルミナの破砕粒（２５０〜２９７μｍ
）を３０〜４０秒間吹き付けた後、脱脂洗浄等の表面清
浄を施し、４００〜５５０℃で１５〜６０分間加熱処理
を行なうと、下記表に示される色調の着色チタン板が得
られた。比較例としてブラスト加工が施されていない平
滑表面を有する純チタン冷延板に脱脂洗浄等の表面清浄
を施した後、所定の加熱処理を行ない前記着色チタン板
と同色調の酸化被膜を生成せしめた６本発明方法は、従
来の大気酸化法と比べて低温度かつ短時間で同色調のチ
タン板が得られ、着色斑も発生しない。Spherical glass beads (particle size 149-2
50pm) or crushed alumina particles (250-297μm)
) for 30 to 40 seconds, followed by surface cleaning such as degreasing and heat treatment at 400 to 550°C for 15 to 60 minutes, to obtain colored titanium plates with the colors shown in the table below. As a comparative example, a cold-rolled pure titanium plate with a smooth surface that had not been subjected to blasting was subjected to surface cleaning such as degreasing and cleaning, and then subjected to a prescribed heat treatment to form an oxide film with the same color tone as the colored titanium plate. Compared with the conventional atmospheric oxidation method, the method of the present invention allows titanium plates of the same color tone to be obtained at lower temperatures and in a shorter time, and does not cause colored spots.
（発明の効果） 本発明によれば、密着性、加工性、耐摩耗性。(Effect of the invention) According to the present invention, adhesion, processability, and wear resistance.
耐指絞性、耐候性および耐食性に優れ、かつ美感を有す
る着色チタン材を容易に得ることができる。It is possible to easily obtain a colored titanium material that has excellent finger-squeezing resistance, weather resistance, and corrosion resistance, and has an aesthetic appearance.
耐久性を有する建築材料としてだけでなく、意匠性を要
する装飾用材料として好適である。It is suitable not only as a durable building material but also as a decorative material that requires design.
Claims (3)
面粗さを５〜３０μｍｚにした後、該チタン又はチタン
合金を４００〜６５０℃に５〜９０分加熱して酸化被膜
を生成せしめることを特徴とする着色チタン材の製造方
法。(1) After making the surface roughness of titanium or titanium alloy 5 to 30 μmz by spraying fine particles, the titanium or titanium alloy is heated to 400 to 650°C for 5 to 90 minutes to form an oxide film. A method for manufacturing a colored titanium material.
載の着色チタン材の製造方法。(2) The method for producing a colored titanium material according to claim 1, wherein the spraying of the fine particles is a blasting process.
求項１又は２記載の着色チタン材の製造方法。(3) The method for producing a colored titanium material according to claim 1 or 2, wherein the fine particles are any one of small spheres, crushed particles, and fine particles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12328589A JPH02301551A (en) | 1989-05-17 | 1989-05-17 | Production of colored titanium material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12328589A JPH02301551A (en) | 1989-05-17 | 1989-05-17 | Production of colored titanium material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02301551A true JPH02301551A (en) | 1990-12-13 |
Family
ID=14856784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12328589A Pending JPH02301551A (en) | 1989-05-17 | 1989-05-17 | Production of colored titanium material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02301551A (en) |
-
1989
- 1989-05-17 JP JP12328589A patent/JPH02301551A/en active Pending
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